—How was your day off yesterday?
—Perfect! It was my grandma’s ________ birthday. We had a big cake.
A. eighty                  B. eightieth              C. the eightieth

Last year, I visited a chemical factory in Baise, there are about _____ workers in it.

—How often do you exercise?
—＿＿＿
A. Two  B. Twice  C. Second

Every year, _____people go to visit their factory
A. a thousand of   B thousands  C. thousand of    D. thousands of

－How was your day off yesterday?
－Perfect! It was ____ birthday of my grandpa’s . We had a big family celebration.
A. seventy    B. seventieth    C. the seventieth 

We are organizing a lot of activities to celebrate the _______ birthday of the Communist Party of China these months.

—Is this your ________ visit to my hometown,Zunyi?
—No.I’ve been here for many times.
A.one              B.the first            C.first

—There are 60 students in my class and 44 of them use weibo veryoften.
—44? That means about_______of your classmates are weibo users, right?

"Excuse me, how can I get to the nearest bus stop?" "Go down this road. It's about_________ walk
A. five minute's              B. five minutes'  C. five-minutes

______ trees were cut down. And many birds lost their home.
A. Two thousands   B. Thousands of   D. Thousand of